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Twinlab, L-Lysine, 500 mg, 100 Capsules

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In Stock
  • Expiration Date: Jun 2021
  • Shipping Weight: 0.84 lbs (0.38 kg)
  • Product Code: TWL-00141
  • UPC Code: 027434001410
  • Package Quantity: 100 Capsules
  • Dimensions: 4.2 x 2.3 x 2.3 in, 0.5 lbs (0.23 kg)
Product Overview


  • Supports Healthy Immune System Function
  • An Essential Amino Acid
  • Dietary Supplement
  • 500 mg Per Capsule

L-Lysine is an essential amino acid.

L-lysine is an essential (free-form) amino acid that helps support a healthy immune system. As the human body cannot create its own L-Lysine, it must be derived from diet and supplementation.

Suggested Use

Take 1 capsule 1-2 times per day or as directed by your health care professional. To achieve the clinically tested results related to supporting the immune system, taking a total of 2 capsules daily is recommended.

Other Ingredients

Gelatin, cellulose, medium chain triglycerides, silica, magnesium stearate.

No added flavorings, artificial sweeteners, colorings or preservatives.


Best if used by date shown on bottle.

Keep out of the reach of children.

Keep tightly closed in a cool, dry place.

Supplement Facts
Serving Size: 1 Capsule
  Amount Per Serving % Daily Value
L-Lysine (from L-lysine hydrochloride) 500 mg
† Daily Value not established
iHerb Customer Reviews

very good

Posted by 5307516650540902284 on May 01, 2015

I need this capsules. very good!

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good product

Posted by Reviewer1794079 on Apr 05, 2015

easy to swallow

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Posted by Reviewer1069774 on Dec 29, 2013

I switch to another brand thinking what could the difference, they both got good reviews but when I needed to repurchase, I went back to twin labs. This product seems to work better if that is possible.

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wow, seems to work

Posted by bbchris on Aug 18, 2013

This is my second bottle and I've not had a cold or any illness since taking 2 capsules daily. Very impressed.

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Posted by Reviewer1488008 on Mar 30, 2013

Use with Vitamin B1, L-Leucine to balance.

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